| 地转动量近似下边界层中风场的调整 |
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| 引用本文： | 徐银梓.地转动量近似下边界层中风场的调整[J].大气科学,1991,15(2):110-119. |
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| 作者姓名： | 徐银梓 |
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| 作者单位： | 南京大学大气科学系 |
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| 摘 要： | 本文利用地转动量近似,并假设气压场为定常的圆形涡旋和初始风场不满足四力平衡(气压梯度力、科里奥利力、湍流粘性力和半地转惯性力)的条件下,求解了正压边界层中风场向气压场调整的初边值问题,得到了一些初步结论。本工作为利用四力平衡下的风速分布来诊断预报边界层风场提供了理论依据。
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| 关 键 词： | 地转动量 边界层 风场 |
The adjustment of wind field in the PBL incorporating the geostrophic momentum approximation |
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| Xu Yinzi.The adjustment of wind field in the PBL incorporating the geostrophic momentum approximation[J].Chinese Journal of Atmospheric Sciences,1991,15(2):110-119. |
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| Authors: | Xu Yinzi |
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| Abstract: | By using the geostrophic momentum approximation and assuming a stationary pressure field of a circular vortex , the solution of wind velocity in the planetary boundary layer (PBL) is obtained under the initial condition that the distribution of wind velocity does not satisfy the balance among the four forces (pressure gradient force, Coriolis force, eddy viscosity force and semigeostrophic initial force). From which some conclusions are gained. The work provides scientific basis. in theory for applying the solution of the balance among the four forces to diagnose the wind field in the PBL . |
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| Keywords: | Geostrophic momentum Boundary layer Wind field |
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